/* ─── CSS Custom Properties ─────────────────────────────── */
:root {
  /* ── Primary Palette ── */
  --primary:           #6366f1;
  --primary-dark:      #4f46e5;
  --primary-darker:    #3730a3;
  --primary-light:     #a5b4fc;
  --primary-lighter:   #c7d2fe;
  --primary-50:        #eef2ff;
  --primary-100:       #e0e7ff;
  --primary-900:       #312e81;

  /* ── Semantic Colors ── */
  --success:           #10b981;
  --success-dark:      #059669;
  --success-darker:    #047857;
  --success-light:     #6ee7b7;
  --success-50:        #ecfdf5;

  --warning:           #f59e0b;
  --warning-dark:      #d97706;
  --warning-darker:    #b45309;
  --warning-light:     #fcd34d;
  --warning-50:        #fffbeb;

  --danger:            #ef4444;
  --danger-dark:       #dc2626;
  --danger-darker:     #b91c1c;
  --danger-light:      #fca5a5;
  --danger-50:         #fef2f2;

  --info:              #06b6d4;
  --info-dark:         #0891b2;
  --info-darker:       #0e7490;
  --info-light:        #67e8f9;
  --info-50:           #ecfeff;

  /* ── Neutrals ── */
  --white:             #ffffff;
  --black:             #000000;
  --dark:              #1e293b;

  --gray-50:           #f9fafb;
  --gray-100:          #f3f4f6;
  --gray-200:          #e5e7eb;
  --gray-300:          #d1d5db;
  --gray-400:          #9ca3af;
  --gray-500:          #6b7280;
  --gray-600:          #4b5563;
  --gray-700:          #374151;
  --gray-800:          #1f2937;
  --gray-900:          #111827;
  --gray-950:          #030712;

  /* ── Surface System ── */
  --surface:           #ffffff;
  --surface-raised:    #ffffff;
  --surface-overlay:   rgba(255, 255, 255, 0.97);
  --surface-muted:     var(--gray-50);
  --surface-dimmed:    rgba(0, 0, 0, 0.4);
  --surface-glass:     rgba(255, 255, 255, 0.72);
  --surface-glass-strong: rgba(255, 255, 255, 0.88);

  /* ── Text System ── */
  --text-primary:      var(--gray-900);
  --text-secondary:    var(--gray-600);
  --text-tertiary:     var(--gray-400);
  --text-inverse:      var(--white);
  --text-link:         var(--primary);
  --text-link-hover:   var(--primary-dark);

  /* ── Border System ── */
  --border-default:    var(--gray-200);
  --border-muted:      var(--gray-100);
  --border-strong:     var(--gray-300);
  --border-focus:      var(--primary);

  /* ── Radius Scale ── */
  --radius-none:       0;
  --radius-xs:         4px;
  --radius-sm:         8px;
  --radius:            12px;
  --radius-lg:         16px;
  --radius-xl:         24px;
  --radius-2xl:        32px;
  --radius-full:       9999px;

  /* ── Shadow System ── */
  --shadow-xs:         0 1px 2px rgb(0 0 0 / 0.05);
  --shadow-sm:         0 1px 3px rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md:         0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:         0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl:         0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl:        0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-inner:      inset 0 2px 4px rgb(0 0 0 / 0.06);
  --shadow-glow-primary: 0 0 20px rgb(99 102 241 / 0.3), 0 0 60px rgb(99 102 241 / 0.1);
  --shadow-glow-success:  0 0 20px rgb(16 185 129 / 0.3), 0 0 60px rgb(16 185 129 / 0.1);
  --shadow-glow-danger:   0 0 20px rgb(239 68 68 / 0.3), 0 0 60px rgb(239 68 68 / 0.1);
  --shadow-colored:     0 10px 30px -5px rgb(99 102 241 / 0.4);

  /* ── Spacing Scale ── */
  --space-0:           0;
  --space-px:          1px;
  --space-0-5:         0.125rem;
  --space-1:           0.25rem;
  --space-2:           0.5rem;
  --space-3:           0.75rem;
  --space-4:           1rem;
  --space-5:           1.25rem;
  --space-6:           1.5rem;
  --space-8:           2rem;
  --space-10:          2.5rem;
  --space-12:          3rem;
  --space-16:          4rem;
  --space-20:          5rem;
  --space-24:          6rem;
  --space-32:          8rem;

  /* ── Typography Scale ── */
  --text-xs:           0.75rem;
  --text-sm:           0.875rem;
  --text-base:         1rem;
  --text-lg:           1.125rem;
  --text-xl:           1.25rem;
  --text-2xl:          1.5rem;
  --text-3xl:          1.875rem;
  --text-4xl:          2.25rem;
  --text-5xl:          3rem;
  --text-6xl:          3.75rem;
  --text-7xl:          4.5rem;
  --leading-none:      1;
  --leading-tight:     1.25;
  --leading-snug:      1.375;
  --leading-normal:    1.6;
  --leading-relaxed:   1.75;
  --tracking-tight:    -0.025em;
  --tracking-normal:   0;
  --tracking-wide:     0.025em;
  --tracking-wider:    0.05em;

  /* ── Transitions & Easing ── */
  --ease:              0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-in:           0.3s cubic-bezier(0.4, 0, 1, 1);
  --ease-out:          0.3s cubic-bezier(0, 0, 0.2, 1);
  --ease-bounce:       0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-spring:       0.6s cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast:     0.15s;
  --duration-normal:   0.3s;
  --duration-slow:     0.5s;
  --duration-slower:   0.8s;

  /* ── Layout ── */
  --nav-h:             76px;
  --sidebar-w:         260px;
  --container-max:     1200px;
  --container-xl:      1320px;

  /* ── Z-Index Scale ── */
  --z-dropdown:        100;
  --z-sticky:          200;
  --z-fixed:           300;
  --z-overlay:         400;
  --z-modal:           500;
  --z-popover:         600;
  --z-tooltip:         700;
  --z-toast:           800;
}

/* ─── Dark Mode ─────────────────────────────────────────── */
[data-theme="dark"] {
  --surface:           var(--gray-900);
  --surface-raised:    var(--gray-800);
  --surface-overlay:   rgba(17, 24, 39, 0.97);
  --surface-muted:     var(--gray-800);
  --surface-dimmed:    rgba(0, 0, 0, 0.6);
  --surface-glass:     rgba(17, 24, 39, 0.72);
  --surface-glass-strong: rgba(17, 24, 39, 0.88);

  --text-primary:      var(--gray-100);
  --text-secondary:    var(--gray-400);
  --text-tertiary:     var(--gray-500);
  --text-inverse:      var(--gray-900);

  --border-default:    var(--gray-700);
  --border-muted:      var(--gray-800);
  --border-strong:     var(--gray-600);

  --shadow-sm:         0 1px 3px rgb(0 0 0 / 0.3), 0 1px 2px -1px rgb(0 0 0 / 0.3);
  --shadow-md:         0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg:         0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
  --shadow-xl:         0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.4);
  --shadow-2xl:        0 25px 50px -12px rgb(0 0 0 / 0.6);

  --primary-50:        rgba(99, 102, 241, 0.1);
  --primary-100:       rgba(99, 102, 241, 0.15);
  --success-50:        rgba(16, 185, 129, 0.1);
  --warning-50:        rgba(245, 158, 11, 0.1);
  --danger-50:         rgba(239, 68, 68, 0.1);
  --info-50:           rgba(6, 182, 212, 0.1);
}

/* ─── Reduced Motion ────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ─── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  padding-top: var(--nav-h);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

[data-theme="dark"] body {
  background: linear-gradient(135deg, var(--gray-950) 0%, var(--gray-900) 100%);
}

::selection {
  background: var(--primary-lighter);
  color: var(--primary-900);
}
[data-theme="dark"] ::selection {
  background: var(--primary-dark);
  color: var(--white);
}

/* ─── Focus Styles (Accessibility) ──────────────────────── */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}
:focus:not(:focus-visible) { outline: none; }

/* ─── Typography ────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
}
h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl);  }
h6 { font-size: var(--text-lg);  }

p { text-wrap: pretty; }

.display-1, .display-2, .display-3,
.display-4, .display-5, .display-6 {
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, var(--success) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.display-1 { font-size: clamp(2.5rem, 6vw, 5rem); line-height: 1.1; }
.display-2 { font-size: clamp(2rem, 5vw, 4rem);  line-height: 1.1; }
.display-3 { font-size: clamp(1.75rem, 4vw, 3rem); line-height: 1.15; }
.display-4 { font-size: clamp(1.5rem, 3vw, 2.5rem); line-height: 1.2; }

.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-gradient-warm {
  background: linear-gradient(135deg, var(--warning), var(--danger));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-gradient-cool {
  background: linear-gradient(135deg, var(--info), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-gradient-success {
  background: linear-gradient(135deg, var(--success), var(--info));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Navbar ────────────────────────────────────────────── */
.navbar {
  background: linear-gradient(135deg, var(--dark), var(--gray-800)) !important;
  backdrop-filter: blur(12px) saturate(180%);
  padding: 1rem 0;
  box-shadow: var(--shadow-lg);
  transition: padding var(--ease), background var(--ease), box-shadow var(--ease);
  z-index: var(--z-fixed);
}
.navbar.scrolled {
  padding: .5rem 0;
  background: rgba(30, 41, 59, 0.92) !important;
  box-shadow: var(--shadow-xl);
}

.brand-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 1.2rem; flex-shrink: 0;
  box-shadow: var(--shadow-colored);
  transition: transform var(--ease-bounce);
}
.brand-icon:hover { transform: rotate(-8deg) scale(1.05); }

.brand-text {
  font-weight: 700; font-size: 1.4rem;
  background: linear-gradient(135deg, var(--white), var(--primary-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link {
  font-weight: 500; font-size: var(--text-sm);
  color: rgba(255, 255, 255, .85) !important;
  padding: .625rem 1rem !important;
  border-radius: var(--radius-sm);
  transition: all var(--ease);
  position: relative; margin: 0 .15rem;
  letter-spacing: var(--tracking-wide);
}
.nav-link::after {
  content: ''; position: absolute; bottom: 4px; left: 50%;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary-light), var(--primary));
  transition: width var(--ease), left var(--ease);
  border-radius: 1px;
}
.nav-link:hover::after, .nav-link.active::after { width: 60%; left: 20%; }
.nav-link:hover, .nav-link.active {
  color: var(--white) !important;
  background: rgba(255, 255, 255, .1);
}
.nav-link.active {
  background: rgba(99, 102, 241, .2);
}

/* ─── Buttons ───────────────────────────────────────────── */
.btn {
  border-radius: var(--radius-sm);
  font-weight: 600;
  padding: .75rem 1.5rem;
  transition: all var(--ease);
  border: none;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}

/* Ripple effect */
.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: ripple-anim 0.6s ease-out;
  pointer-events: none;
}
@keyframes ripple-anim {
  to { transform: scale(4); opacity: 0; }
}

.btn:active { transform: scale(0.97) !important; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  box-shadow: var(--shadow-sm), var(--shadow-colored);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-darker));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-glow-primary);
  color: var(--white);
}
.btn-primary:active {
  box-shadow: var(--shadow-sm);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), var(--success-dark));
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn-success:hover {
  background: linear-gradient(135deg, var(--success-dark), var(--success-darker));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-glow-success);
  color: var(--white);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), var(--danger-dark));
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn-danger:hover {
  background: linear-gradient(135deg, var(--danger-dark), var(--danger-darker));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-glow-danger);
  color: var(--white);
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning), var(--warning-dark));
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn-warning:hover {
  background: linear-gradient(135deg, var(--warning-dark), var(--warning-darker));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}
.btn-ghost:hover {
  background: var(--surface-muted);
  color: var(--text-primary);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.btn-outline-primary {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline-primary:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-colored);
}

.btn-outline-success {
  border: 2px solid var(--success);
  color: var(--success);
  background: transparent;
}
.btn-outline-success:hover {
  background: var(--success);
  color: var(--white);
  transform: translateY(-1px);
}

.btn-outline-danger {
  border: 2px solid var(--danger);
  color: var(--danger);
  background: transparent;
}
.btn-outline-danger:hover {
  background: var(--danger);
  color: var(--white);
  transform: translateY(-1px);
}

.btn-outline-light:hover { transform: translateY(-1px); }

.btn-sm { padding: .5rem 1rem; font-size: var(--text-xs); }
.btn-lg { padding: 1rem 2rem; font-size: var(--text-base); }
.btn-xl { padding: 1.25rem 2.5rem; font-size: var(--text-lg); }

.btn-icon {
  width: 42px; height: 42px;
  padding: 0; border-radius: var(--radius-sm);
}
.btn-icon.btn-sm { width: 34px; height: 34px; }
.btn-icon.btn-lg { width: 52px; height: 52px; }

/* Loading state */
.btn-loading {
  pointer-events: none;
  opacity: 0.75;
  position: relative;
  color: transparent !important;
}
.btn-loading::after {
  content: '';
  position: absolute;
  width: 1.2em; height: 1.2em;
  top: 50%; left: 50%;
  margin: -0.6em 0 0 -0.6em;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
}
@keyframes btn-spin { to { transform: rotate(360deg); } }

/* ─── Cards ─────────────────────────────────────────────── */
.card {
  border: 1px solid var(--border-muted);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: all var(--ease);
  background: var(--surface);
  overflow: hidden;
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--border-default);
}
[data-theme="dark"] .card {
  border-color: var(--gray-700);
}

.card-header {
  background: linear-gradient(135deg, var(--surface-muted), var(--surface));
  border-bottom: 1px solid var(--border-default);
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  border-radius: var(--radius) var(--radius) 0 0 !important;
}
.card-body { padding: 1.5rem; }
.card-footer {
  padding: 1.25rem 1.5rem;
  background: var(--surface-muted);
  border-top: 1px solid var(--border-muted);
}

/* ─── Glass Card ────────────────────────────────────────── */
.card-glass {
  background: var(--surface-glass);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
[data-theme="dark"] .card-glass {
  border-color: rgba(255, 255, 255, 0.06);
}

/* ─── Product Cards ─────────────────────────────────────── */
.product-card {
  border: 1px solid var(--border-default);
  position: relative;
}
.product-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--success));
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--ease); z-index: 1;
}
.product-card:hover::before { transform: scaleX(1); }
.product-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

/* ─── Stats Cards ───────────────────────────────────────── */
.stats-card {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius);
  padding: 2rem;
  position: relative; overflow: hidden;
  color: var(--white); border: none;
  box-shadow: var(--shadow-lg);
  transition: transform var(--ease), box-shadow var(--ease);
}
.stats-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl), var(--shadow-glow-primary);
}
.stats-card::before {
  content: ''; position: absolute;
  top: -30px; right: -30px;
  width: 120px; height: 120px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}
.stats-card::after {
  content: ''; position: absolute;
  bottom: -40px; right: 20px;
  width: 80px; height: 80px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}
.stats-card.green  { background: linear-gradient(135deg, var(--success), var(--success-dark)); }
.stats-card.green:hover  { box-shadow: var(--shadow-xl), var(--shadow-glow-success); }
.stats-card.orange { background: linear-gradient(135deg, var(--warning), var(--warning-dark)); }
.stats-card.cyan   { background: linear-gradient(135deg, var(--info), var(--info-dark)); }

.stats-card .stats-icon {
  width: 52px; height: 52px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 1rem;
}
.stats-card .stats-value {
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1;
  margin-bottom: .25rem;
}
.stats-card .stats-label {
  font-size: var(--text-sm);
  opacity: 0.85;
  font-weight: 500;
}
.stats-card .stats-change {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  font-size: var(--text-xs);
  font-weight: 600;
  background: rgba(255, 255, 255, 0.15);
  padding: .2rem .6rem;
  border-radius: var(--radius-full);
  margin-top: .75rem;
}

/* ─── Hero Section ──────────────────────────────────────── */
.hero-section {
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.06) 0%,
    rgba(16, 185, 129, 0.04) 50%,
    rgba(6, 182, 212, 0.03) 100%
  );
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(99, 102, 241, 0.04), transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(16, 185, 129, 0.03), transparent 50%);
  animation: hero-glow 15s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes hero-glow {
  0%   { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-5%, 5%) rotate(3deg); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
  border: 1px solid var(--primary-lighter);
  color: var(--primary-dark);
  padding: .5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s ease both;
}
[data-theme="dark"] .hero-badge {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
}

.hero-visual {
  width: 300px; height: 300px;
  margin: auto;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 5rem;
  box-shadow: var(--shadow-xl), var(--shadow-glow-primary);
  animation: float 6s ease-in-out infinite, morph 8s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-20px); }
}
@keyframes morph {
  0%, 100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
  25%      { border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%; }
  50%      { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
  75%      { border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%; }
}

.badge-float {
  position: absolute;
  border-radius: var(--radius-sm);
  padding: .5rem 1rem;
  font-size: var(--text-xs);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  animation: float 5s ease-in-out infinite;
}
.badge-float.top-left {
  top: 10%; left: -5%;
  background: var(--surface);
  color: var(--success);
  animation-delay: -2s;
  border: 1px solid var(--border-muted);
}
.badge-float.bot-right {
  bottom: 15%; right: -5%;
  background: var(--surface);
  color: var(--primary);
  animation-delay: -4s;
  border: 1px solid var(--border-muted);
}

/* ─── Features ──────────────────────────────────────────── */
.feature-icon {
  width: 70px; height: 70px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.25rem;
  transition: transform var(--ease-bounce);
}
.feature-card:hover .feature-icon { transform: scale(1.1) rotate(-3deg); }

/* ─── Forms ─────────────────────────────────────────────── */
.form-control, .form-select {
  border-radius: var(--radius-sm);
  border: 2px solid var(--border-default);
  padding: .75rem 1rem;
  transition: all var(--ease);
  background: var(--surface);
  color: var(--text-primary);
  font-size: var(--text-sm);
}
.form-control:focus, .form-select:focus {
  border-color: var(--border-focus);
  outline: none;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.12);
}
.form-control::placeholder { color: var(--text-tertiary); }

.form-control.is-valid {
  border-color: var(--success);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.12);
}
.form-control.is-invalid {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.12);
}

.form-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: .5rem;
  font-size: var(--text-sm);
}
.form-hint {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-top: .35rem;
}
.form-error {
  font-size: var(--text-xs);
  color: var(--danger);
  margin-top: .35rem;
  display: flex;
  align-items: center;
  gap: .25rem;
}

.input-group .form-control { border-right: none; }
.input-group .btn { border-top-left-radius: 0; border-bottom-left-radius: 0; }

/* Floating label */
.form-floating { position: relative; }
.form-floating .form-control {
  padding-top: 1.5rem;
  padding-bottom: .5rem;
}
.form-floating label {
  position: absolute;
  top: 50%; left: 1rem;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  transition: all var(--ease);
  pointer-events: none;
  font-size: var(--text-sm);
}
.form-floating .form-control:focus ~ label,
.form-floating .form-control:not(:placeholder-shown) ~ label {
  top: .5rem; transform: translateY(0);
  font-size: var(--text-xs);
  color: var(--primary);
  font-weight: 600;
}

/* Toggle / Switch */
.form-switch-custom {
  position: relative;
  width: 48px; height: 26px;
  cursor: pointer;
}
.form-switch-custom input { display: none; }
.form-switch-custom .slider {
  position: absolute; inset: 0;
  background: var(--gray-300);
  border-radius: var(--radius-full);
  transition: background var(--ease);
}
.form-switch-custom .slider::before {
  content: '';
  position: absolute;
  width: 20px; height: 20px;
  left: 3px; bottom: 3px;
  background: var(--white);
  border-radius: 50%;
  transition: transform var(--ease-bounce);
  box-shadow: var(--shadow-sm);
}
.form-switch-custom input:checked + .slider { background: var(--primary); }
.form-switch-custom input:checked + .slider::before { transform: translateX(22px); }

/* ─── Badges ────────────────────────────────────────────── */
.badge {
  padding: .45rem .8rem;
  border-radius: var(--radius-xs);
  font-weight: 600;
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  display: inline-flex;
  align-items: center;
  gap: .3rem;
}
.badge-primary  { background: var(--primary-50); color: var(--primary-dark); }
.badge-success  { background: var(--success-50); color: var(--success-dark); }
.badge-warning  { background: var(--warning-50); color: var(--warning-darker); }
.badge-danger   { background: var(--danger-50);  color: var(--danger-dark); }
.badge-info     { background: var(--info-50);    color: var(--info-dark); }

.badge-dot::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.badge-pill {
  border-radius: var(--radius-full);
  padding: .3rem .75rem;
}

/* ─── Alerts ────────────────────────────────────────────── */
.alert {
  border: none;
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  border-left: 4px solid;
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  font-size: var(--text-sm);
  animation: alert-slide-in 0.4s var(--ease-out) both;
}
@keyframes alert-slide-in {
  from { opacity: 0; transform: translateX(-12px); }
  to   { opacity: 1; transform: translateX(0); }
}

.alert-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.alert-success {
  background: var(--success-50);
  color: var(--success-darker);
  border-left-color: var(--success);
}
.alert-danger {
  background: var(--danger-50);
  color: var(--danger-darker);
  border-left-color: var(--danger);
}
.alert-warning {
  background: var(--warning-50);
  color: var(--warning-darker);
  border-left-color: var(--warning);
}
.alert-info {
  background: var(--primary-50);
  color: var(--primary-dark);
  border-left-color: var(--primary);
}

.alert-dismissible { padding-right: 3rem; }
.alert-dismissible .btn-close {
  position: absolute;
  top: 50%; right: 1rem;
  transform: translateY(-50%);
  opacity: 0.5;
  transition: opacity var(--ease);
}
.alert-dismissible .btn-close:hover { opacity: 1; }

/* ─── Toast Notifications ───────────────────────────────── */
.toast-container {
  position: fixed;
  top: 1.5rem; right: 1.5rem;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: .75rem;
  pointer-events: none;
}

.toast {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xl);
  padding: 1rem 1.25rem;
  min-width: 320px;
  max-width: 420px;
  border-left: 4px solid var(--primary);
  pointer-events: auto;
  animation: toast-in 0.5s var(--ease-spring) both;
  display: flex;
  align-items: flex-start;
  gap: .75rem;
}
.toast.toast-exit { animation: toast-out 0.3s var(--ease-in) both; }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(100%) scale(0.95); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}
@keyframes toast-out {
  to { opacity: 0; transform: translateX(100%) scale(0.95); }
}

.toast-success { border-left-color: var(--success); }
.toast-danger  { border-left-color: var(--danger); }
.toast-warning { border-left-color: var(--warning); }

.toast-close {
  background: none; border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 0; font-size: 1.2rem;
  transition: color var(--ease);
  flex-shrink: 0;
}
.toast-close:hover { color: var(--text-primary); }

.toast-progress {
  position: absolute;
  bottom: 0; left: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 0 0 0 var(--radius);
  animation: toast-progress 4s linear both;
}
.toast-success .toast-progress { background: var(--success); }
.toast-danger  .toast-progress { background: var(--danger); }

@keyframes toast-progress {
  from { width: 100%; }
  to   { width: 0%; }
}

/* ─── Tables ────────────────────────────────────────────── */
.table-wrapper {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-muted);
  box-shadow: var(--shadow-sm);
}

.table {
  background: transparent;
  margin: 0;
  width: 100%;
}
.table th {
  background: var(--surface-muted);
  border-bottom: 2px solid var(--border-default);
  font-weight: 600;
  color: var(--text-secondary);
  padding: 1rem 1.25rem;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}
.table td {
  padding: .875rem 1.25rem;
  vertical-align: middle;
  border-color: var(--border-muted);
  font-size: var(--text-sm);
}
.table-hover tbody tr {
  transition: background var(--ease);
}
.table-hover tbody tr:hover { background: var(--primary-50); }
[data-theme="dark"] .table-hover tbody tr:hover {
  background: rgba(99, 102, 241, 0.08);
}

/* Striped rows */
.table-striped tbody tr:nth-child(even) {
  background: var(--surface-muted);
}

/* ─── Dropdowns ─────────────────────────────────────────── */
.dropdown-menu {
  border: 1px solid var(--border-muted);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xl);
  padding: .5rem;
  background: var(--surface-glass-strong);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  animation: dropdown-in 0.2s var(--ease-out) both;
  z-index: var(--z-dropdown);
}
@keyframes dropdown-in {
  from { opacity: 0; transform: translateY(-8px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.dropdown-item {
  border-radius: var(--radius-sm);
  padding: .65rem 1rem;
  transition: all var(--ease);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.dropdown-item:hover {
  background: var(--primary);
  color: var(--white);
}
.dropdown-item.text-danger:hover { background: var(--danger); }
.dropdown-divider {
  border-color: var(--border-muted);
  margin: .35rem 0;
}
.dropdown-header {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--text-tertiary);
  padding: .5rem 1rem .25rem;
}

/* ─── Modal ─────────────────────────────────────────────── */
.modal-backdrop {
  background: var(--surface-dimmed);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.modal-content {
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2xl);
  background: var(--surface);
  animation: modal-in 0.35s var(--ease-spring) both;
}
@keyframes modal-in {
  from { opacity: 0; transform: scale(0.92) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-header {
  background: var(--surface-muted);
  border-bottom: 1px solid var(--border-default);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 1.5rem;
}
.modal-body { padding: 2rem; }
.modal-footer {
  background: var(--surface-muted);
  border-top: 1px solid var(--border-default);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: 1.25rem 1.5rem;
}

/* ─── Admin Sidebar ─────────────────────────────────────── */
.admin-wrapper {
  display: flex;
  min-height: 100vh;
  padding-top: 0;
}

.admin-sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--dark) 0%, var(--gray-800) 100%);
  box-shadow: var(--shadow-xl);
  position: sticky; top: 0;
  height: 100vh; overflow-y: auto;
  transition: width var(--ease), transform var(--ease);
  z-index: var(--z-sticky);
}
.admin-sidebar::-webkit-scrollbar { width: 4px; }
.admin-sidebar::-webkit-scrollbar-track { background: transparent; }
.admin-sidebar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
}
.admin-sidebar::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

.sidebar-brand {
  padding: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex; align-items: center; gap: .75rem;
}
.sidebar-section { padding: .5rem 1rem; margin-top: .5rem; }
.sidebar-section-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, 0.3);
  padding: .75rem 1.25rem .5rem;
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: .875rem;
  padding: .875rem 1.25rem;
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--text-sm);
  transition: all var(--ease);
  border-left: 3px solid transparent;
  margin: .15rem 0;
  position: relative;
}
.sidebar-link i {
  width: 20px; text-align: center;
  font-size: 1.05rem;
  transition: transform var(--ease);
}
.sidebar-link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.95);
  border-left-color: var(--primary-light);
}
.sidebar-link:hover i { transform: translateX(2px); }
.sidebar-link.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  border-left-color: var(--white);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

/* Sidebar badge count */
.sidebar-badge {
  margin-left: auto;
  background: var(--danger);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  padding: .15rem .5rem;
  border-radius: var(--radius-full);
  min-width: 20px;
  text-align: center;
  line-height: 1.4;
}

/* Collapsed sidebar */
.admin-sidebar.collapsed {
  width: 72px;
}
.admin-sidebar.collapsed .sidebar-link span,
.admin-sidebar.collapsed .sidebar-section-title,
.admin-sidebar.collapsed .sidebar-badge,
.admin-sidebar.collapsed .brand-text {
  display: none;
}
.admin-sidebar.collapsed .sidebar-link {
  justify-content: center;
  padding: .875rem;
  border-left: none;
}
.admin-sidebar.collapsed .sidebar-link i { margin: 0; }

.admin-main {
  flex: 1;
  background: var(--surface-muted);
  min-height: 100vh;
  overflow-x: hidden;
}
[data-theme="dark"] .admin-main {
  background: var(--gray-950);
}

.admin-topbar {
  background: var(--surface);
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-xs);
  position: sticky; top: 0;
  z-index: var(--z-sticky);
}
.admin-content { padding: 2rem; }

/* ─── List Groups ───────────────────────────────────────── */
.list-group {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border-muted);
  overflow: hidden;
}
.list-group-item {
  border: none;
  border-bottom: 1px solid var(--border-muted);
  padding: 1rem 1.25rem;
  transition: all var(--ease);
  color: var(--text-primary);
}
.list-group-item:hover {
  background: var(--primary-50);
  transform: translateX(4px);
}
.list-group-item:last-child { border-bottom: none; }
.list-group-item.active {
  background: var(--primary-50);
  color: var(--primary-dark);
  font-weight: 600;
  border-left: 3px solid var(--primary);
}

/* ─── Pagination ────────────────────────────────────────── */
.pagination {
  display: flex;
  gap: .35rem;
  align-items: center;
}
.page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-default);
  background: var(--surface);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  transition: all var(--ease);
  cursor: pointer;
}
.page-link:hover {
  background: var(--primary-50);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}
.page-link.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-colored);
}
.page-link.disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ─── Breadcrumbs ───────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  padding: 0;
  list-style: none;
}
.breadcrumb-item a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--ease);
}
.breadcrumb-item a:hover { color: var(--primary); }
.breadcrumb-item.active {
  color: var(--text-primary);
  font-weight: 600;
}
.breadcrumb-separator {
  color: var(--text-tertiary);
  font-size: var(--text-xs);
}

/* ─── Tooltips ──────────────────────────────────────────── */
.tooltip-custom {
  position: relative;
}
.tooltip-custom::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) scale(0.9);
  background: var(--gray-900);
  color: var(--white);
  padding: .4rem .75rem;
  border-radius: var(--radius-xs);
  font-size: var(--text-xs);
  font-weight: 500;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: all var(--ease);
  z-index: var(--z-tooltip);
  box-shadow: var(--shadow-md);
}
.tooltip-custom:hover::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}
.tooltip-custom::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--gray-900);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--ease);
  z-index: var(--z-tooltip);
}
.tooltip-custom:hover::before { opacity: 1; }

/* ─── Footer ────────────────────────────────────────────── */
.footer {
  background: linear-gradient(135deg, var(--dark), var(--gray-800));
  color: rgba(255, 255, 255, 0.8);
  padding: 4rem 0 0;
}
.footer-title {
  color: var(--white);
  font-weight: 700;
  margin-bottom: 1.25rem;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links a, .footer-links li a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: all var(--ease);
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .35rem 0;
}
.footer-links a:hover {
  color: var(--white);
  transform: translateX(4px);
}
.footer-desc {
  color: rgba(255, 255, 255, 0.55);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}
.social-link {
  width: 40px; height: 40px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 1.1rem;
  transition: all var(--ease);
}
.social-link:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-colored);
}
.contact-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: rgba(255, 255, 255, 0.55);
  font-size: var(--text-sm);
}
.contact-item a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  transition: color var(--ease);
}
.contact-item a:hover { color: var(--white); }
.newsletter-input {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--white);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm) !important;
}
.newsletter-input::placeholder { color: rgba(255, 255, 255, 0.35); }
.newsletter-input:focus {
  background: rgba(255, 255, 255, 0.12);
  box-shadow: none;
  border-color: var(--primary-light);
  color: var(--white);
}
.newsletter-btn {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0 !important;
}
.footer-bottom {
  margin-top: 3rem;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.copyright {
  color: rgba(255, 255, 255, 0.4);
  font-size: var(--text-sm);
}
.trust-indicators {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}
.trust-item {
  color: rgba(255, 255, 255, 0.4);
  font-size: var(--text-xs);
  display: flex;
  align-items: center;
  gap: .4rem;
}

/* ─── Back to Top ───────────────────────────────────────── */
.btn-back-to-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  z-index: var(--z-fixed);
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  border: none;
  box-shadow: var(--shadow-lg), var(--shadow-colored);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--ease);
  cursor: pointer;
  font-size: 1.1rem;
}
.btn-back-to-top.show {
  opacity: 1;
  transform: translateY(0);
}
.btn-back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl), var(--shadow-glow-primary);
}

/* ─── Login Page ────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  padding-top: 0 !important;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--dark) 0%, var(--gray-800) 50%, #1a1a2e 100%);
  position: relative;
  overflow: hidden;
}
.login-page::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent 70%);
  top: -20%; left: -10%;
  pointer-events: none;
}
.login-page::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.1), transparent 70%);
  bottom: -15%; right: -5%;
  pointer-events: none;
}

.login-card {
  width: 100%; max-width: 420px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-2xl);
  animation: fadeInUp 0.6s var(--ease-out) both;
  position: relative;
  z-index: 1;
}
.login-card .form-control {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--white);
}
.login-card .form-control::placeholder { color: rgba(255, 255, 255, 0.35); }
.login-card .form-control:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-light);
  color: var(--white);
}
.login-card .form-label { color: rgba(255, 255, 255, 0.75); }

.login-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: rgba(255, 255, 255, 0.35);
  font-size: var(--text-sm);
  margin: 1.5rem 0;
}
.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.btn-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  width: 100%;
  padding: .75rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  font-size: var(--text-sm);
  transition: all var(--ease);
  cursor: pointer;
  text-decoration: none;
}
.btn-social:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--white);
  transform: translateY(-1px);
}

/* ─── Status Pill ───────────────────────────────────────── */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .35rem .8rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
}
.status-pill::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-pill.active   { background: var(--success-50); color: var(--success-dark); }
.status-pill.active::before   { background: var(--success); }
.status-pill.pending { background: var(--warning-50); color: var(--warning-darker); }
.status-pill.pending::before { background: var(--warning); animation: pulse-dot 2s ease-in-out infinite; }
.status-pill.inactive { background: var(--gray-100); color: var(--gray-500); }
.status-pill.inactive::before { background: var(--gray-400); }
.status-pill.error   { background: var(--danger-50); color: var(--danger-dark); }
.status-pill.error::before   { background: var(--danger); }

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.4; }
}

/* ─── Skeleton Loading ──────────────────────────────────── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--gray-200) 25%,
    var(--gray-100) 50%,
    var(--gray-200) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}
[data-theme="dark"] .skeleton {
  background: linear-gradient(
    90deg,
    var(--gray-700) 25%,
    var(--gray-600) 50%,
    var(--gray-700) 75%
  );
  background-size: 200% 100%;
}
@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text  { height: 1rem; margin-bottom: .5rem; border-radius: var(--radius-xs); }
.skeleton-text:last-child { width: 75%; }
.skeleton-title { height: 1.5rem; width: 60%; margin-bottom: .75rem; }
.skeleton-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  flex-shrink: 0;
}
.skeleton-image {
  width: 100%; height: 200px;
  border-radius: var(--radius-sm);
}

.skeleton-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border-muted);
  padding: 1.5rem;
}

/* ─── Avatar ────────────────────────────────────────────── */
.avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--surface);
  box-shadow: var(--shadow-sm);
}
.avatar-sm  { width: 32px; height: 32px; }
.avatar-lg  { width: 56px; height: 56px; }
.avatar-xl  { width: 72px; height: 72px; }

.avatar-group {
  display: flex;
}
.avatar-group .avatar {
  margin-left: -10px;
  transition: transform var(--ease);
}
.avatar-group .avatar:first-child { margin-left: 0; }
.avatar-group .avatar:hover {
  transform: translateY(-2px);
  z-index: 1;
  box-shadow: var(--shadow-md);
}

.avatar-status {
  position: relative;
}
.avatar-status::after {
  content: '';
  position: absolute;
  bottom: 1px; right: 1px;
  width: 12px; height: 12px;
  border-radius: 50%;
  border: 2px solid var(--surface);
}
.avatar-status.online::after  { background: var(--success); }
.avatar-status.offline::after { background: var(--gray-400); }
.avatar-status.busy::after    { background: var(--danger); }

/* ─── Divider ───────────────────────────────────────────── */
.divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-tertiary);
  font-size: var(--text-sm);
  margin: 1.5rem 0;
}
.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-default);
}
.divider-vertical {
  width: 1px;
  align-self: stretch;
  background: var(--border-default);
  margin: 0 1rem;
}

/* ─── Empty State ───────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}
.empty-state-icon {
  font-size: 4rem;
  color: var(--gray-300);
  margin-bottom: 1.5rem;
  display: block;
}
[data-theme="dark"] .empty-state-icon { color: var(--gray-600); }
.empty-state-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .5rem;
}
.empty-state-desc {
  font-size: var(--text-sm);
  max-width: 400px;
  margin: 0 auto 1.5rem;
  line-height: var(--leading-relaxed);
}

/* ─── Animations ────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes pulse-ring {
  0%   { transform: scale(0.9); opacity: 0.7; }
  70%  { transform: scale(1.1); opacity: 0; }
  100% { transform: scale(0.9); opacity: 0; }
}
@keyframes count-up {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

/* Animation utility classes */
.fade-in-up     { animation: fadeInUp 0.6s ease both; }
.fade-in-up-2   { animation: fadeInUp 0.6s 0.15s ease both; }
.fade-in-up-3   { animation: fadeInUp 0.6s 0.3s ease both; }
.fade-in-up-4   { animation: fadeInUp 0.6s 0.45s ease both; }
.fade-in-down   { animation: fadeInDown 0.5s ease both; }
.fade-in        { animation: fadeIn 0.5s ease both; }
.slide-in-left  { animation: slideInLeft 0.6s ease both; }
.slide-in-right { animation: slideInRight 0.6s ease both; }
.scale-in       { animation: scaleIn 0.4s var(--ease-spring) both; }
.shake          { animation: shake 0.5s ease both; }

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  animation: fadeInUp 0.5s ease both;
}
.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(7) { animation-delay: 0.35s; }
.stagger-children > *:nth-child(8) { animation-delay: 0.4s; }

/* Scroll-triggered visibility */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Utility Classes ───────────────────────────────────── */

/* Text */
.text-xs   { font-size: var(--text-xs) !important; }
.text-sm   { font-size: var(--text-sm) !important; }
.text-base { font-size: var(--text-base) !important; }
.text-lg   { font-size: var(--text-lg) !important; }
.text-xl   { font-size: var(--text-xl) !important; }
.text-2xl  { font-size: var(--text-2xl) !important; }
.text-3xl  { font-size: var(--text-3xl) !important; }

.text-primary-color { color: var(--primary) !important; }
.text-success-color { color: var(--success) !important; }
.text-warning-color { color: var(--warning) !important; }
.text-danger-color  { color: var(--danger) !important; }
.text-muted         { color: var(--text-tertiary) !important; }
.text-secondary     { color: var(--text-secondary) !important; }

.font-medium { font-weight: 500 !important; }
.font-semibold { font-weight: 600 !important; }
.font-bold   { font-weight: 700 !important; }
.font-extrabold { font-weight: 800 !important; }

.tracking-tight { letter-spacing: var(--tracking-tight) !important; }
.tracking-wide  { letter-spacing: var(--tracking-wide) !important; }
.tracking-wider { letter-spacing: var(--tracking-wider) !important; }

.text-balance { text-wrap: balance !important; }
.text-pretty  { text-wrap: pretty !important; }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Background */
.bg-primary-50   { background-color: var(--primary-50) !important; }
.bg-success-50   { background-color: var(--success-50) !important; }
.bg-warning-50   { background-color: var(--warning-50) !important; }
.bg-danger-50    { background-color: var(--danger-50) !important; }
.bg-info-50      { background-color: var(--info-50) !important; }
.bg-surface      { background-color: var(--surface) !important; }
.bg-surface-muted { background-color: var(--surface-muted) !important; }

/* Glass effect */
.glass {
  background: var(--surface-glass);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.18);
}
[data-theme="dark"] .glass {
  border-color: rgba(255, 255, 255, 0.06);
}

/* Glow effects */
.glow-primary { box-shadow: var(--shadow-glow-primary); }
.glow-success { box-shadow: var(--shadow-glow-success); }
.glow-danger  { box-shadow: var(--shadow-glow-danger); }

/* Border */
.border-default { border-color: var(--border-default) !important; }
.border-muted   { border-color: var(--border-muted) !important; }

/* Hover lift */
.hover-lift {
  transition: transform var(--ease), box-shadow var(--ease);
}
.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Hover scale */
.hover-scale {
  transition: transform var(--ease);
}
.hover-scale:hover {
  transform: scale(1.03);
}

/* Overlay */
.overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
  border-radius: inherit;
}
.overlay-dark {
  background: rgba(0, 0, 0, 0.5);
}
.overlay-gradient {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.8), rgba(79, 70, 229, 0.9));
}

/* Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: var(--gray-600); }
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover { background: var(--gray-500); }

/* Hide scrollbar but allow scroll */
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }
.no-scrollbar::-webkit-scrollbar { display: none; }

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 1200px) {
  .admin-sidebar:not(.collapsed) { width: 220px; }
}

@media (max-width: 992px) {
  .admin-sidebar {
    position: fixed;
    left: 0; top: 0;
    width: 280px;
    height: 100vh;
    transform: translateX(-100%);
    z-index: var(--z-overlay);
  }
  .admin-sidebar.mobile-open { transform: translateX(0); }
  .admin-sidebar.collapsed { transform: translateX(-100%); }
  .admin-wrapper { flex-direction: column; }
  .admin-content { padding: 1.5rem; }

  .sidebar-overlay {
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-overlay) - 1);
    display: none;
  }
  .sidebar-overlay.show { display: block; }
}

@media (max-width: 768px) {
  :root {
    --nav-h: 60px;
  }
  body { padding-top: var(--nav-h); }
  .hero-section { padding: 3rem 0; }
  .hero-visual   { width: 220px; height: 220px; font-size: 3.5rem; }
  .display-3, .display-4 { font-size: 2rem; }
  .btn-lg { padding: .75rem 1.5rem; }
  .admin-topbar { padding: .75rem 1rem; }
  .admin-content { padding: 1rem; }
  .trust-indicators { gap: 1rem; }
  .toast { min-width: auto; max-width: calc(100vw - 2rem); }

  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
  h3 { font-size: var(--text-xl); }

  .badge-float { display: none; }
}

@media (max-width: 480px) {
  .login-card { padding: 2rem 1.5rem; margin: 1rem; }
  .hero-visual { width: 180px; height: 180px; font-size: 2.5rem; }
  .btn { padding: .65rem 1.25rem; }
  .stats-card { padding: 1.5rem; }
}